/Engine/Source/Runtime/GeometryCore/Public/Selections/MeshConnectedComponents.h
Internal functions to calculate ROI
void FindTriComponents ( [FInterval1i](API\Runtime\GeometryCore\FInterval1i) ActiveRange, [TArray](API\Runtime\Core\Containers\TArray)< uint8 > & ActiveSet, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< bool(int32, int32)> TriConnectedPredicate )